8Stone B A. Ultrasound guidance for peripheral venous access: a simplified seldinger technique[J]. Anesthesiology, 2007 , 106 (1) : 195.
9Hockley S J, Hamilton V. Young R J,et al. Efficacy of the CathRite system to guide bedside placement of peripherally inserted central venous catheters in critically ill patients: a pilot study[J]. Crit Care Resusc,2007,9 (3) :251-255.
